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uv sync — Update the project's environment to match the lockfile. More information: <https://docs.astral.sh/uv

Submitted by: @import:tldr-pages·Mar 2, 2026·

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thematchcommandupdateuv syncclienvironmentproject

Problem

How to use the uv sync command: Update the project's environment to match the lockfile. More information: <https://docs.astral.sh/uv/reference/cli/#uv-sync>.

Solution

uv sync — Update the project's environment to match the lockfile. More information: <https://docs.astral.sh/uv/reference/cli/#uv-sync>.

Sync the project environment with the lockfile:

uv sync

Sync and include all optional dependencies:

uv sync --all-extras

Sync with specific optional dependencies:

uv sync --extra {{extra_name}}

Sync only development dependencies:

uv sync --only-dev

Sync excluding development dependencies:

uv sync --no-dev

Sync specific dependency groups:

uv sync --group {{group_name}}

Check if environment is already synchronized (no changes):

uv sync --check

Preview what would be synced without making changes:

uv sync --dry-run

Code Snippets

Sync the project environment with the lockfile

uv sync

Sync and include all optional dependencies

uv sync --all-extras

Sync with specific optional dependencies

uv sync --extra {{extra_name}}

Sync only development dependencies

uv sync --only-dev

Sync excluding development dependencies

uv sync --no-dev

Context

tldr-pages: common/uv sync

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